Added supoprt for ntpdate.

Added supoprt for the separate ntpdate package and "service" that will set the
clock before ntpd starts.
Changed double quotes to single quotes.
Merge remote branch 'upstream/master' into ntpdate

Conflicts:
	manifests/params.pp
Make sure to only install ntpdate support on RedHat.
Convert to Ruby instance variables.
Merge branch 'master' into ntpdate

Conflicts:
	manifests/params.pp
Merge pull request #4 from razorsedge/ntpdate

Ntpdate